Lesson 18 Arithmetic Sequences in Dot Patterns

Lesson 18 Arithmetic Sequences in Dot Patterns

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Multiple Choice

• -21

• 33

• 15

• -3

Multiple Choice

f(x)=x²-5x
f(4)=

• -4
• 126
• 24
• 84

Multiple Choice

f(x)=x+3

f(-5) = ?

• -2

• -1

• -8

• 7

Multiple Choice

f(x)=4x+5
f(4)=

• 21
• -11
• -31
• 25

Multiple Choice

g(x) = 5 - 6x
Find g(-5)

• g(-5) = -25
• g(-5) = 6
• g(-5) = 4
• g(-5) = 35

Multiple Choice

Which formula represents this sequence:
2, 8, 14, ...

• 4n
• n + 6
• 3n + 2
• 5n - 2

Multiple Choice

Write the explicit rule for the arithmetic sequence
12, 10, 8, 6, ...

• a_n = 12n - 14
• a_n = 2n - 14
• a_n = -2n + 14
• a_n = -12n + 14

Multiple Choice

What is the rule (explicit equation) for the n^th term given 
60, 55, 50, 45, ...

• a_n= -5+60n
• a_n= -5n+55
• a_n= -5n+65
• a_n= 5n+55

Multiple Choice

Identify the common difference.
3, 7, 11, 15, ...

• 6
• 5
• 4
• 2

Multiple Choice

Find the next three terms in the arithmetic sequence: -33, -24, -15, -6, ...

• -1, 7, 15
• -5, 2, 9
• 3, 12, 21
• -65, -73, -81

Multiple Choice

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

Multiple Choice

How many cubes are in the 4th arrangement?

• 8 cubes

• 10 cubes

• 12 cubes

Multiple Choice

Given the following tile pattern, how many tiles would be in the 5th shape?

• b = 8
• b = 11
• b = 7
• b = 9

Multiple Choice

5, 10, 15, 20, 25, ____, ____, ____

• 30, 35, 40

• 65, 35, 116

• 26, 27, 28

• 20, 15, 10

Multiple Choice

What is the value of the expression

x² + y² + x - y

when x = -1 and y = 3?

• 6

• 8

• 12

• 16

Multiple Choice

Without a calculator find the value of 10^-3

• 7

• 30

• -1000

• 1/1000

Multiple Choice

Without a calculator find the value of 2⁴

• 6

• 8

• 16

Multiple Choice

Without a calculator find the value of 25⁰

• 0

• 1

• 25

Multiple Choice

Without a calculator find the value of 4¹

• 1

• 4

• 5

Multiple Choice

Without a calculator find the value of (-3)²

• -5

• -6

• -9

• 9